Designed for grinding materials to final dimension, our 3M™ Trizact™ Diamond Cloth Belts 663FC can tackle hard-to-grind materials including ceramics, carbides, chilled iron and composites. They also work well for stripping old thermal spray coating during the refurbishment process. These belts cut up to 70% faster than bonded wheels – without chatter. And because they are easy to use, even less-experienced operators can achieve consistent, effective stock removal throughout the life of the belt.
3M™ Trizact™ Diamond Cloth Belts 663FC feature a waterproof YF-weight cloth backing, which means these belts can support high-pressure tough applications when run wet or dry. The abrasive side of the belt features three-dimensional structures derived from proprietary 3M technology. Unlike conventional abrasives, which are constructed from randomly-spaced and irregular-shaped minerals, Trizact abrasives feature precisely-shaped three-dimensional structures that help deliver more consistent performance and eliminate belt-to-belt variation.

Dynabrade 78639 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, Z/A, 120 Grit, 100/pack
Dynabrade 33626 ND6880, End Cap Ass'y
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 90683 3/4" W x 7" L 120 Grit, A/O, Small DynaRoll, 5/pack
Dynabrade 78587 1/4" Dia. x 2" W x 1/8" Center Hole, 60 Grit, 100/pack
Dynabrade 58037 1-1/4" Dia. Right Angle Mini-Orbital Sander, 12K RPM, .4 HP, Front Exhaust
Dynabrade 90339 3-1/2" W x 15-1/2" L 320 Grit A/O DynaCut Belt, 10/pack
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
ACS 1/2 in x 18 in Diamond Metal Bond Belt, 120M/125u 
